19 quotes on Malaysia Airlines Flight 370

As the investigation into the fate of missing Malaysia Airlines Flight 370 continues, politicians, celebrities and commentators have taken to the Internet and airwaves to speculate. The latest development came March 20 in the form of two large pieces of floating debris in the southern Indian Ocean that investigators think could be related to the missing plane. A flurry of theories — ranging from an on-board electrical fire to suicide or terrorism — continues to build as authorities remain baffled.

“It could be pilots. It could be members of the crew. We’ve seen a variation of that with Snowden,” former Homeland Security Secretary Michael Chertoff said March 23 on NBC's "Meet the Press." “So I think the issue of screening and understanding when people are going off the rails inside the enterprise is going to become more of an issue.”